Change Frames Settings

Wallpaper settings live in app/src/main/res/values/frames_setup.xml. The link to your wallpapers JSON is here too: see Add Wallpapers.

Settings

Setting	What it does	Default
json_url	The link to your wallpapers JSON file	The sample’s JSON
allow_immediate_downloads	When false, users have to wait 3 hours after installing the app before they can download wallpapers. This makes it harder to install, download everything and ask for a refund	true
downloads_on_wifi_only_enabled_by_default	Whether downloading over Wi-Fi only starts turned on. Users can change it in the app’s settings	true
enable_colored_tiles	Tints the footer of each wallpaper card with colors from the wallpaper, instead of a neutral color	false
enable_filled_collection_preview	Makes the footer of collection cards full height instead of compact	false
show_wallpaper_palette_details	Shows the wallpaper’s main colors in its details	true
wallpapers_placeholder	Image shown while a wallpaper thumbnail loads. See Placeholders	Empty
collections_placeholder	Image shown while a collection thumbnail loads. See Placeholders	Empty

Placeholders

1. Add your images to app/src/main/res/drawable, for example wallpaper_placeholder.png and collection_placeholder.png.

2. Set their names, without the file extension:

   <string name="wallpapers_placeholder" translatable="false">wallpaper_placeholder</string>
   <string name="collections_placeholder" translatable="false">collection_placeholder</string>

3. Open app/src/main/res/raw/keep.xml and add both images, separated by a comma:

   <resources xmlns:tools="http://schemas.android.com/tools"
       tools:keep="@drawable/wallpaper_placeholder,@drawable/collection_placeholder" />

   Without this, the placeholders show in debug builds but disappear in the version you publish. Change General Settings explains why.